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Shimano Dura Ace/Ultegra Di2 Battery Unit

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  • Dura Ace/Ultegra Di2 Battery Unit
The power house of Dura-Ace (7970) and Ultegra (6770) Di2 is a long-life 7.4V Li-Ion battery that is both compact and reliable, taking shifting effort away from you.

The power house of Dura-Ace (7970) and Ultegra (6770) Di2 is a long-life 7.4V Li-Ion battery that is both compact and reliable, taking shifting effort away from you.

Top Features:

  • 500 times rechargeable life
  • Reliable and secure water resistant terminals
  • Easily removable for charging
  • Battery weight is 68 grams

Product Data

  • Bottom Bracket Type: Threaded
  • No. Of Chainrings: Double
  • Groupset Manufacturer: Shimano
  • Brake Type: V-Brake
  • Chainset type: Double
  • Bottom Bracket: BSA
  • Cassette Range: 11-28 Tooth
  • Speed: 11 Speed
  • Groupset: Shimano Ultegra
  • Commuter: Yes
  • Touring: Yes
  • Cyclocross: Yes
  • Time Trial: Yes
  • Road: Yes

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Description

Excellent sealing and reliability have been proven through repeated field tests in various riding conditions, including extreme temperatures, rain, mud, and cobble stone roads.

Using a hard wired battery system which is both light weight and accurate compared to current wireless technology (as a wireless system would require 4 batteries: one for the RD, one for the FD, and one for each shift lever).

The use of a single small and discreet battery is light weight, efficient and creates a robust and reliable system.

One charge can give between 1000 and 2000 kilometre range depending on conditions and front mech operation (as this is the main power drain).

Read More

Returns

We will happily refund any item purchased on Wiggle if returned to us within 365 days; excluding Wiggle gift vouchers, nutrition and customised products, except when faulty.

Please note: Bikes and other bulky items cannot be returned using our local returns service (where applicable). Please contact us and we can arrange to collect these from you using our discounted courier rates. There is a fee for all collections, except for faulty products.

Returned goods must be unused and supplied with their original packaging, unless the goods are faulty. Wiggle will pay the return postage costs for any faulty items.
More information on Wiggle's return policy

Customer Reviews

Shimano Dura Ace/Ultegra Di2 Battery Unit is rated 4.9 out of 5 by 12.
Rated 5 out of 5 by danwebb2000 from Does what it should Charged it, put on the bike and away you go. Exactly as it should.
Date published: 2018-12-16
Rated 5 out of 5 by oblongomaculatus from when they're gone, they're gone? Bought this in anticipation of the day the battery that came on my bike no longer holds a charge, as I've noticed recently (after 4 years) that the number of miles before recharging has begun to reduce. It still does well in excess of the 600 miles Shimano claim (maybe I don't do as much shifting as some) but one day it will doubtless be worn out. As more recent Di2 systems have a different battery, housing it inside the seatpost or frame, it's possible this version won't be available then. Should that be the case, I now have a spare ready to go!
Date published: 2017-08-26
Rated 5 out of 5 by jamiecurry from Di2 battery works with all shimano Di2 systems, lasts about 8 months between charges. what more could you ask for other than perfection
Date published: 2016-09-06
Rated 5 out of 5 by salmoliv from Just a battery The all electronic gear switch from Shimano is fantastic. Not sure what I can tell you about the battery. It's small, light and does the trick.
Date published: 2016-07-25
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Q & A

Does it also fit Ultegra 6800 Di2?

Asked by: jobbers21
I can confirm that this battery will indeed work with 6870 Di2.
Answered by: WiggleAndyB
Date published: 2014-05-21

What components are included in this?

Does this battery unit include the mount and cable to the junction box?
Asked by: Costasw00t
This will be just be the battery unit.
Answered by: WiggleKingL
Date published: 2015-06-08

What grease is recommended for the electrical contacts on the battery?

Asked by: LoneWolf63
Shimano recommend you apply their protective grease to the battery contacts area to prevent water ingress and subsequent risk of corrosion. Sadly we don't stock this grease and I can only recommend you to Google 'SHIMANO Connector grease [DG 15]'. I hope this helps.
Answered by: WiggleDonatB
Date published: 2019-03-03
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  • clientName_wiggle-en

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Wiggle Ltd. 1000 Lakeside, Suite 310, Third Floor N E Wing, Portsmouth, Hampshire, PO6 3EN, United Kingdom

VAT No: GB 884 2571 94 | Company No: 02667809

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Privacy Policy | Cookie Policy | Terms & conditions

© Wiggle Ltd. 2021.

Wiggle Ltd. 1000 Lakeside, Suite 310, Third Floor N E Wing, Portsmouth, Hampshire, PO6 3EN, United Kingdom

VAT No: GB 884 2571 94 | Company No: 02667809

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